Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 889 · 40 questions

What you do (Rub and charge): 1. Tear a sheet of paper into tiny bits on a table. 2. Comb dry, clean hair quickly 10 times. 3. Hold the comb just above the paper bits and watch. 4. Try again with 20 combs, and count the bits each time.

1. 1.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a battery cell (c) dry hair (d) a plastic comb
2. 2.🔮 Predict: you wet the comb before trying again. What happens? (a) it becomes a magnet (b) it works better (c) it lights up (d) it hardly works
3. 3.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) thermocol bits (c) a brick (d) a pebble
4. 4.🔍 Which is the odd one out? (a) puffed rice (b) a thin water stream (c) a heavy book (d) tiny paper bits
5. 5.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) does not move (b) jumps to the comb
6. 6.🔍 Which is the odd one out? (a) a thin water stream (b) tiny paper bits (c) puffed rice (d) a steel spoon
7. 7.🧺 Which of these is not needed for the static comb? (a) dry hair (b) tiny paper bits (c) a balloon (d) a battery cell
8. 8.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) a heavy book (c) a thin water stream (d) a pebble
9. 9.🧺 Do we need a magnet for the static comb? (a) not needed (b) needed
10. 10.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a plastic comb (c) dry hair (d) vinegar
11. 11.🔍 Which is the odd one out? (a) puffed rice (b) a pebble (c) a thin water stream (d) tiny paper bits
12. 12.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: paper bits picked up is what we measure. (a) True (b) False
13. 13.True or false: a balloon is needed for the static comb. (a) True (b) False
14. 14.🛟 There is lightning outside. Where is it safest to be? (a) indoors (b) under a tall tree (c) on a rooftop (d) in an open field
15. 15.🧺 Which of these is needed for the static comb? (a) a plastic comb (b) a battery cell (c) a magnet (d) a mirror
16. 16.🧺 Which of these is needed for the static comb? (a) a magnet (b) vinegar (c) a balloon (d) a mirror
17. 17.🧺 Do we need turmeric powder for the static comb? (a) not needed (b) needed
18. 18.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a brick (c) dry hair (d) a heavy book
19. 19.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) sunlight (b) gravity (c) magnetism (d) static electricity
20. 20.🔍 Which is the odd one out? (a) a heavy book (b) a brick (c) a steel spoon (d) puffed rice
21. 21.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed
22. 22.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “distance to the paper”? (a) we measure it (b) we keep it the same (c) we change it
23. 23.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) nothing happens (b) they turn blue (c) the bits jump to it (d) they turn wet
24. 24.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water freezes (b) the water stops (c) nothing at all (d) the stream bends
25. 25.🧺 Do we need vinegar for the static comb? (a) not needed (b) needed
26. 26.🔍 Which is the odd one out? (a) a pebble (b) a heavy book (c) dry hair (d) a brick
27. 27.⚡ Which of these does not move to a charged comb? (a) dry hair (b) thermocol bits (c) puffed rice (d) a heavy book
28. 28.True or false: a magnet is not needed for the static comb. (a) True (b) False
29. 29.🧺 Do we need a battery cell for the static comb? (a) needed (b) not needed
30. 30.🧺 Which of these is needed for the static comb? (a) yeast (b) turmeric powder (c) dry hair (d) a magnet
31. 31.🔍 Which is the odd one out? (a) a heavy book (b) tiny paper bits (c) a pebble (d) a brick
32. 32.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) yeast (c) a balloon (d) tiny paper bits
33. 33.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) a balloon (c) tiny paper bits (d) a magnet
34. 34.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) tiny paper bits (c) a mirror (d) a balloon
35. 35.⚡ A rubbed comb is held near thermocol bits. What happens? (a) does not move (b) jumps to the comb
36. 36.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) distance to the paper (b) paper bits picked up (c) the same comb (d) the paper bit size
37. 37.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) the paper bit size (b) distance to the paper (c) the same comb (d) number of rubs
38. 38.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) paper bits picked up (b) the same hair (c) number of rubs
39. 39.⚡ A rubbed comb is held near a steel spoon. What happens? (a) jumps to the comb (b) does not move
40. 40.🔍 Which is the odd one out? (a) a brick (b) thermocol bits (c) a steel spoon (d) a heavy book

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